EP3504930A1 - Beam training for discontinuous reception (drx) mode operation - Google Patents
Beam training for discontinuous reception (drx) mode operationInfo
- Publication number
- EP3504930A1 EP3504930A1 EP17762001.0A EP17762001A EP3504930A1 EP 3504930 A1 EP3504930 A1 EP 3504930A1 EP 17762001 A EP17762001 A EP 17762001A EP 3504930 A1 EP3504930 A1 EP 3504930A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reference signal
- drx
- training
- request
- base station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/32—Hierarchical cell structures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- aspects of the present disclosure generally relate to wireless communication and, more particularly, to reference signal configuration for beam selection and refinement.
- LTE and LTE-A are referred to generally as LTE.
- the wireless device 502 may also include a housing 508 that may include a transmitter 510 and a receiver 512 to allow transmission and reception of data between the wireless device 502 and a remote location.
- the transmitter 510 and receiver 512 may be combined into a transceiver 514.
- a single transmit antenna or a plurality of transmit antennas 516 may be attached to the housing 508 and electrically coupled to the transceiver 514.
- the wireless device 502 may also include (not shown) multiple transmitters, multiple receivers, and multiple transceivers.
- the wireless device 502 may also include wireless battery charging equipment.
- the wireless device 502 may also include a signal detector 518 that may be used in an effort to detect and quantify the level of signals received by the transceiver 514.
- the signal detector 518 may detect such signals as total energy, energy per subcarrier per symbol, power spectral density and other signals.
- the wireless device 302 may also include a digital signal processor (DSP) 520 for use in processing signals.
- DSP digital signal processor
- the UE measures the received MRS and generates a report including one or more of the MRS-RP and MRS-ID.
- the report may be transmitted from the UE to the Node B over the physical uplink control channel (PUCCH) or physical uplink shared channel (PUSCH).
- the Node B uses the received reports to determine a beam pair for the Node B and UE to use for subsequent communications and may communicate the beam selection to the UE (e.g., in a beam switching message).
- a UE in DRX mode goes to sleep for a certain period of time, which is typically configured by the network. During this period, the UE may change its angular orientation, move to a different location or, due to mmWave signal characteristics, the (currently used) beams may get blocked. These events may result in link degradation and failure.
- FIG. 7 illustrates example operations 700 that may be performed by a UE for performing measurements based on a reference signal configuration received from a base station, according to an aspect of the present disclosure.
- operations 700 may be considered complementary UE-side to base station-side operations 600 shown in FIG. 6.
- operations 700 begin at 702, by receiving signaling, from a base station, of a reference signal configuration that is based, at least in part, on one or more discontinuous reception (DRX) parameters.
- the UE performs beam training with the base station, during a DRX on period or prior to the DRX on period, in accordance with the reference signal configuration.
- DRX discontinuous reception
- the Node B determines an MRS configuration, based on DRX parameters and signals the MRS configuration to the UE, at 804.
- the MRS configuration may, for example, indicate a periodicity, reference signal density and location of MRSs but need not activate MRS training (e.g., MRS training may be activated by a separate message).
- MRS training may be activated by a separate message.
- the UE may monitor for MRS transmitted from the Node B.
- a UE enter a DRX OFF period, at 806.
- the DRX ON and OFF periods may be defined by DRX parameters previously sent to the UE (or sent with the MRS configuration).
- the DRX ON period begins and the Node B transmits MRS (e.g., in one or more symbols of one or more subframes) at 810.
- the UE may perform channel measurements based on the received MRS and transmit a measurement report to the Node B, at 812.
- the Node B and UE may use the measurement report to select a beam, at 814, which may be used for the remainder of the DRX on period (until DRX OFF period 816).
- the Node B may generate a beam switching notification (not shown) indicating a set of beams that the UE and Node B can use for subsequent communications.
- the Node B may generate multiple beams to refine the existing beam based on uplink signals and may not rely on using explicit measurement feedback and beam switch notification to switch beams.
- the UE generally uses the MRS configuration to determine to process training MRS or not. For example, the UE may measure the configured MRS beam (s) and send a report on PUCCH. The Node B and UE may use the beam pairs for the remaining of ON duration.
- the UE may take action if the UE does not receive MRS training from NB for a certain period. For example, the UE may assume a link failure and send a RACH for beam recovery.
- the UE may assume that there is no traffic intended for UE at this DRX on period.
- MRS may effectively serve as an indicator whether eNB has intention to transmit traffic to this UE in this DRX on period.
- the UE may then go to sleep (early) to terminate the DRX on monitoring for this DRX ON period.
- a device may have an interface to communicate a frame for transmission or reception.
- a processor may output a frame, via a bus interface, to an RF front end for transmission.
- a device may have an interface to obtain a frame received from another device.
- a processor may obtain (or receive) a frame, via a bus interface, from an RF front end for transmission.
- the methods disclosed herein include one or more steps or actions for achieving the described method.
- the method steps and/or actions may be interchanged with one another without departing from the scope of the claims.
- the order and/or use of specific steps and/or actions may be modified without departing from the scope of the claims.
- the various operations of methods described above may be performed by any suitable means capable of performing the corresponding functions.
- the means may include various hardware and/or software/firmware component(s) and/or module(s), including, but not limited to a circuit, an application specific integrated circuit (ASIC), or processor.
- ASIC application specific integrated circuit
- those operations may be performed by any suitable corresponding counterpart means-plus- function components.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662380306P | 2016-08-26 | 2016-08-26 | |
US15/684,459 US10728950B2 (en) | 2016-08-26 | 2017-08-23 | Beam training for discontinuous reception (DRX) mode operation |
PCT/US2017/048364 WO2018039427A1 (en) | 2016-08-26 | 2017-08-24 | Beam training for discontinuous reception (drx) mode operation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3504930A1 true EP3504930A1 (en) | 2019-07-03 |
EP3504930B1 EP3504930B1 (en) | 2021-02-17 |
Family
ID=61244189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17762001.0A Active EP3504930B1 (en) | 2016-08-26 | 2017-08-24 | Beam training for discontinuous reception (drx) mode operation |
Country Status (7)
Country | Link |
---|---|
US (1) | US10728950B2 (en) |
EP (1) | EP3504930B1 (en) |
CN (1) | CN109644517B (en) |
AU (1) | AU2017315398B2 (en) |
BR (1) | BR112019003423A2 (en) |
ES (1) | ES2870086T3 (en) |
WO (1) | WO2018039427A1 (en) |
Families Citing this family (31)
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US10581722B2 (en) | 2016-08-22 | 2020-03-03 | Qualcomm Incorporated | Power control for independent links |
WO2018083624A1 (en) * | 2016-11-04 | 2018-05-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatuses for handling beam failure |
EP3549388A4 (en) * | 2016-12-05 | 2019-12-18 | Telefonaktiebolaget LM Ericsson (PUBL) | Accessing a wireless communication network with reduced signalling overhead |
TWI644530B (en) * | 2016-12-13 | 2018-12-11 | 華碩電腦股份有限公司 | Method and apparatus for beam management in a wireless communication system |
CN110073716B (en) * | 2017-01-05 | 2023-06-06 | Oppo广东移动通信有限公司 | Signal transmission method for discontinuous reception, terminal device and network device |
US10673652B2 (en) | 2017-03-02 | 2020-06-02 | Futurewei Technologies, Inc. | System and method for providing explicit feedback in the uplink |
US11239956B2 (en) | 2017-08-10 | 2022-02-01 | Ofinno, Llc | Timers for control channel monitoring |
EP3937406A1 (en) * | 2017-08-10 | 2022-01-12 | Ofinno, LLC | Harq retransmission and control channel monitoring |
AU2018379536B2 (en) * | 2017-12-04 | 2023-08-03 | Nokia Technologies Oy | Link monitoring with self-backhauling for wireless networks |
CN110324914B (en) * | 2018-03-28 | 2021-03-23 | 维沃移动通信有限公司 | Processing method and terminal for beam failure |
CN110392380A (en) * | 2018-04-16 | 2019-10-29 | 英特尔公司 | Device and method for wave beam management and wave beam fault recovery in DRX mode |
US20190394660A1 (en) * | 2018-06-21 | 2019-12-26 | Qualcomm Incorporated | Beam failure detection procedure in discontinuous reception mode |
WO2020007037A1 (en) * | 2018-07-02 | 2020-01-09 | Huawei Technologies Co., Ltd. | System and method for link recovery with discontinuous reception |
CN110752901B (en) * | 2018-07-24 | 2022-05-03 | 中兴通讯股份有限公司 | Method and device for moving symbols in wireless frame |
CN112385275B (en) * | 2018-07-27 | 2022-06-28 | 华为技术有限公司 | Client device, network access node, and method for beam management in power saving state |
US10959284B2 (en) * | 2018-08-08 | 2021-03-23 | Qualcomm Incorporated | Beam failure detection and indication in DRX mode |
CN113016151B (en) * | 2018-08-09 | 2022-11-08 | 中兴通讯股份有限公司 | Antenna group operation for wireless systems |
US11695528B2 (en) * | 2018-08-10 | 2023-07-04 | Qualcomm Incorporated | Delay minimization for CSI-RS and SRS transmission |
US20200107337A1 (en) * | 2018-09-28 | 2020-04-02 | Mediatek Inc. | Measurement for Layer-1 Reference Signal Received Power (L1-RSRP) |
US10594517B1 (en) * | 2018-10-26 | 2020-03-17 | Wistron Neweb Corporation | Channel estimation system and method thereof |
US11202259B2 (en) * | 2018-11-02 | 2021-12-14 | Apple Inc. | Apparatus, system, and method for mobile station power saving |
CN111200832B (en) | 2018-11-16 | 2021-09-10 | 大唐移动通信设备有限公司 | Beam failure recovery method, device and terminal |
CN111436126A (en) * | 2019-01-11 | 2020-07-21 | 中兴通讯股份有限公司 | Information sending method and device, storage medium and electronic device |
EP3944654A1 (en) * | 2019-03-20 | 2022-01-26 | Ntt Docomo, Inc. | User device and communication method |
WO2020227850A1 (en) * | 2019-05-10 | 2020-11-19 | Qualcomm Incorporated | Beam management for sidelink |
US11160021B2 (en) * | 2019-07-12 | 2021-10-26 | Qualcomm Incorporated | Group wake up signaling for millimeter wave relay node discovery |
CN110536387B (en) * | 2019-08-15 | 2023-08-01 | 中兴通讯股份有限公司 | Data transmission method, device and computer readable storage medium |
JP7359953B2 (en) * | 2019-09-30 | 2023-10-11 | 華為技術有限公司 | Signal measurement method and communication device |
EP4233481A1 (en) * | 2020-10-21 | 2023-08-30 | Qualcomm Incorporated | Transmission of reference signal configuration in broadcast messages for idle and inactive user equipment |
WO2022099181A2 (en) * | 2020-11-09 | 2022-05-12 | Ofinno, Llc | Discontinuous reception operation of multicast and broadcast services |
US11569942B2 (en) * | 2021-04-28 | 2023-01-31 | PanPsy Technologies, LLC | Enhanced processes for HARQ feedback |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US9258798B2 (en) | 2012-11-05 | 2016-02-09 | Samsung Electronics Co., Ltd. | Apparatus and method for paging in communication systems with large number of antennas |
US9204395B2 (en) | 2013-01-15 | 2015-12-01 | Samsung Electronics Co., Ltd. | Apparatus and method for discontinuous receive in communication systems with large number of antennas |
KR102071372B1 (en) * | 2013-09-16 | 2020-01-30 | 삼성전자 주식회사 | Method and apparatus for drx mode of a mobile station in consideration of beamforming in a communication system |
CN106465374B (en) | 2014-05-30 | 2020-11-10 | 夏普株式会社 | Terminal device, base station device, and communication method |
EP3606178B1 (en) * | 2014-08-07 | 2021-10-06 | Telefonaktiebolaget LM Ericsson (publ) | Aligning measurement gaps and discovery signals |
US10841057B2 (en) * | 2016-08-08 | 2020-11-17 | Futurewei Technologies, Inc. | Systems and methods for UE-specific beam management for high frequency wireless communication |
-
2017
- 2017-08-23 US US15/684,459 patent/US10728950B2/en active Active
- 2017-08-24 BR BR112019003423-4A patent/BR112019003423A2/en unknown
- 2017-08-24 ES ES17762001T patent/ES2870086T3/en active Active
- 2017-08-24 CN CN201780051837.0A patent/CN109644517B/en active Active
- 2017-08-24 WO PCT/US2017/048364 patent/WO2018039427A1/en active Search and Examination
- 2017-08-24 AU AU2017315398A patent/AU2017315398B2/en active Active
- 2017-08-24 EP EP17762001.0A patent/EP3504930B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN109644517A (en) | 2019-04-16 |
ES2870086T3 (en) | 2021-10-26 |
BR112019003423A2 (en) | 2019-05-21 |
AU2017315398A1 (en) | 2019-02-07 |
EP3504930B1 (en) | 2021-02-17 |
US10728950B2 (en) | 2020-07-28 |
US20180063883A1 (en) | 2018-03-01 |
CN109644517B (en) | 2022-11-25 |
AU2017315398B2 (en) | 2021-10-14 |
WO2018039427A1 (en) | 2018-03-01 |
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